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CONGRATULATIONS
We appreciate your choice of MTX In-Ceiling Speakers. Properly installed and operated, MTX In-Ceiling
Speakers should provide years of worry-free listening pleasure. It’s important that you follow each step
in this guide carefully to insure proper installation.
SPECIFICATIONS H515C H615C
Frequency Response 70Hz-20kHz 50Hz-20kHz
+/- 3dB +/- 3dB
Impedance 8 ohms 8 ohms
nominal nominal
Power Handling 35W RMS/ 40W RMS/
70W Peak 80W Peak
Music Music
Sensitivity (2.83V/1M) 85dB 86dB
Woofer Diameter 5-1/4" 6-1/2"
Tweeter 1/2" 1/2"
Balanced Dome Balanced Dome
Mounting Depth 3-5/8" 2-15/16"
(92.1mm) (74.6mm)
Baffle Diameter 7-3/4" 9"
(196.9mm) (228.6mm)
Cutout Diameter 6-1/2" 7-3/4"
(165.1mm) (196.9mm)
PAINTING YOUR MTX IN-CEILING SPEAKERS
MTX In-Ceiling Speakers are designed to accept all types of interior and exterior paints. Spray or roller
application should provide excellent results. A paint shield is included with all MTX In-Ceiling Speakers to
protect the speakers during the painting process. Simply remove the grilles before painting the speakers
and replace with the paint shield.
LOUDSPEAKER PLACEMENT
MTX In-Ceiling Speakers are designed to work within any interior decorating scheme. They can be
installed in virtually any location where flush mounting is possible. To maximize their sound performance
however certain guidelines should be followed. For the best stereo reproduction the two loudspeakers
should be placed an equal distance from your listening position and separated so that the angle between
them, at the listening position, is between 40 and 60 degrees.